1 /* $OpenBSD: if_urndis.c,v 1.46 2013/12/09 15:45:29 pirofti Exp $ */
4 * Copyright (c) 2010 Jonathan Armani <armani@openbsd.org>
5 * Copyright (c) 2010 Fabien Romano <fabien@openbsd.org>
6 * Copyright (c) 2010 Michael Knudsen <mk@openbsd.org>
7 * Copyright (c) 2014 Hans Petter Selasky <hselasky@freebsd.org>
10 * Permission to use, copy, modify, and distribute this software for any
11 * purpose with or without fee is hereby granted, provided that the above
12 * copyright notice and this permission notice appear in all copies.
14 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
15 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
17 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
18 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
19 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
20 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 #include <sys/cdefs.h>
24 __FBSDID("$FreeBSD$");
26 #include <sys/stdint.h>
27 #include <sys/stddef.h>
28 #include <sys/param.h>
29 #include <sys/queue.h>
30 #include <sys/types.h>
31 #include <sys/systm.h>
32 #include <sys/socket.h>
33 #include <sys/kernel.h>
35 #include <sys/module.h>
37 #include <sys/mutex.h>
38 #include <sys/condvar.h>
39 #include <sys/sysctl.h>
41 #include <sys/unistd.h>
42 #include <sys/callout.h>
43 #include <sys/malloc.h>
47 #include <net/if_var.h>
49 #include <dev/usb/usb.h>
50 #include <dev/usb/usbdi.h>
51 #include <dev/usb/usbdi_util.h>
54 #define USB_DEBUG_VAR urndis_debug
55 #include <dev/usb/usb_debug.h>
56 #include <dev/usb/usb_process.h>
59 #include <dev/usb/net/usb_ethernet.h>
60 #include <dev/usb/net/if_urndisreg.h>
62 #include <dev/usb/usb_cdc.h>
64 static device_probe_t urndis_probe;
65 static device_attach_t urndis_attach;
66 static device_detach_t urndis_detach;
67 static device_suspend_t urndis_suspend;
68 static device_resume_t urndis_resume;
70 static usb_callback_t urndis_bulk_write_callback;
71 static usb_callback_t urndis_bulk_read_callback;
72 static usb_callback_t urndis_intr_read_callback;
74 static uether_fn_t urndis_attach_post;
75 static uether_fn_t urndis_init;
76 static uether_fn_t urndis_stop;
77 static uether_fn_t urndis_start;
78 static uether_fn_t urndis_setmulti;
79 static uether_fn_t urndis_setpromisc;
81 static uint32_t urndis_ctrl_query(struct urndis_softc *, uint32_t, const void **, uint16_t *);
82 static uint32_t urndis_ctrl_set(struct urndis_softc *, uint32_t, struct urndis_set_req *, uint16_t);
83 static uint32_t urndis_ctrl_handle_init(struct urndis_softc *, const struct urndis_comp_hdr *);
84 static uint32_t urndis_ctrl_handle_query(struct urndis_softc *, const struct urndis_comp_hdr *, const void **, uint16_t *);
85 static uint32_t urndis_ctrl_handle_reset(struct urndis_softc *, const struct urndis_comp_hdr *);
86 static uint32_t urndis_ctrl_init(struct urndis_softc *);
89 static int urndis_debug = 0;
90 static SYSCTL_NODE(_hw_usb, OID_AUTO, urndis, CTLFLAG_RW, 0, "USB RNDIS-Ethernet");
91 SYSCTL_INT(_hw_usb_urndis, OID_AUTO, debug, CTLFLAG_RW, &urndis_debug, 0,
95 static const struct usb_config urndis_config[URNDIS_N_TRANSFER] = {
99 .endpoint = UE_ADDR_ANY,
100 .direction = UE_DIR_RX,
103 .bufsize = RNDIS_RX_MAXLEN,
104 .flags = {.short_xfer_ok = 1,},
105 .callback = urndis_bulk_read_callback,
106 .timeout = 0, /* no timeout */
107 .usb_mode = USB_MODE_HOST,
112 .endpoint = UE_ADDR_ANY,
113 .direction = UE_DIR_TX,
115 .frames = RNDIS_TX_FRAMES_MAX,
116 .bufsize = (RNDIS_TX_FRAMES_MAX * RNDIS_TX_MAXLEN),
118 .force_short_xfer = 1,
120 .callback = urndis_bulk_write_callback,
121 .timeout = 10000, /* 10 seconds */
122 .usb_mode = USB_MODE_HOST,
126 .type = UE_INTERRUPT,
127 .endpoint = UE_ADDR_ANY,
128 .direction = UE_DIR_RX,
130 .bufsize = 0, /* use wMaxPacketSize */
131 .flags = {.short_xfer_ok = 1,.no_pipe_ok = 1,},
132 .callback = urndis_intr_read_callback,
134 .usb_mode = USB_MODE_HOST,
138 static device_method_t urndis_methods[] = {
139 /* Device interface */
140 DEVMETHOD(device_probe, urndis_probe),
141 DEVMETHOD(device_attach, urndis_attach),
142 DEVMETHOD(device_detach, urndis_detach),
143 DEVMETHOD(device_suspend, urndis_suspend),
144 DEVMETHOD(device_resume, urndis_resume),
149 static driver_t urndis_driver = {
151 .methods = urndis_methods,
152 .size = sizeof(struct urndis_softc),
155 static devclass_t urndis_devclass;
157 DRIVER_MODULE(urndis, uhub, urndis_driver, urndis_devclass, NULL, 0);
158 MODULE_VERSION(urndis, 1);
159 MODULE_DEPEND(urndis, uether, 1, 1, 1);
160 MODULE_DEPEND(urndis, usb, 1, 1, 1);
161 MODULE_DEPEND(urndis, ether, 1, 1, 1);
163 static const struct usb_ether_methods urndis_ue_methods = {
164 .ue_attach_post = urndis_attach_post,
165 .ue_start = urndis_start,
166 .ue_init = urndis_init,
167 .ue_stop = urndis_stop,
168 .ue_setmulti = urndis_setmulti,
169 .ue_setpromisc = urndis_setpromisc,
172 static const STRUCT_USB_HOST_ID urndis_host_devs[] = {
174 /* XXX this entry has a conflict an entry the umodem driver XXX */
175 {USB_IFACE_CLASS(UICLASS_CDC), USB_IFACE_SUBCLASS(UISUBCLASS_ABSTRACT_CONTROL_MODEL),
176 USB_IFACE_PROTOCOL(0xff)},
178 {USB_IFACE_CLASS(UICLASS_WIRELESS), USB_IFACE_SUBCLASS(UISUBCLASS_RF),
179 USB_IFACE_PROTOCOL(UIPROTO_RNDIS)},
180 {USB_IFACE_CLASS(UICLASS_IAD), USB_IFACE_SUBCLASS(UISUBCLASS_SYNC),
181 USB_IFACE_PROTOCOL(UIPROTO_ACTIVESYNC)},
185 urndis_probe(device_t dev)
187 struct usb_attach_arg *uaa = device_get_ivars(dev);
189 return (usbd_lookup_id_by_uaa(urndis_host_devs, sizeof(urndis_host_devs), uaa));
193 urndis_attach_post(struct usb_ether *ue)
200 urndis_attach(device_t dev)
202 struct urndis_softc *sc = device_get_softc(dev);
203 struct usb_ether *ue = &sc->sc_ue;
204 struct usb_attach_arg *uaa = device_get_ivars(dev);
205 struct usb_cdc_cm_descriptor *cmd;
207 struct urndis_set_req hdr;
212 uint8_t iface_index[2] = { uaa->info.bIfaceIndex + 1, uaa->info.bIfaceIndex };
216 sc->sc_ue.ue_udev = uaa->device;
217 sc->sc_ifaceno_ctl = uaa->info.bIfaceNum;
219 cmd = usbd_find_descriptor(uaa->device, NULL, uaa->info.bIfaceIndex,
220 UDESC_CS_INTERFACE, 0xFF, UDESCSUB_CDC_CM, 0xFF);
222 DPRINTF("Call Mode Descriptor found, dataif=%d\n", cmd->bDataInterface);
223 iface_index[0] = cmd->bDataInterface;
226 device_set_usb_desc(dev);
228 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
230 /* scan the alternate settings looking for a valid one */
232 for (i = 0; i != 32; i++) {
234 error = usbd_set_alt_interface_index(uaa->device,
240 error = usbd_transfer_setup(uaa->device,
241 iface_index, sc->sc_xfer, urndis_config,
242 URNDIS_N_TRANSFER, sc, &sc->sc_mtx);
248 if ((error != 0) || (i == 32)) {
249 device_printf(dev, "No valid alternate "
254 error = urndis_ctrl_query(sc, OID_802_3_PERMANENT_ADDRESS, &buf, &bufsz);
257 if (error != (int)RNDIS_STATUS_SUCCESS) {
258 device_printf(dev, "Unable to get hardware address\n");
261 if (bufsz != ETHER_ADDR_LEN) {
262 device_printf(dev, "Invalid address length: %d bytes\n", bufsz);
265 memcpy(&sc->sc_ue.ue_eaddr, buf, ETHER_ADDR_LEN);
267 /* Initialize packet filter */
268 sc->sc_filter = RNDIS_PACKET_TYPE_BROADCAST |
269 RNDIS_PACKET_TYPE_ALL_MULTICAST;
270 msg_filter.filter = htole32(sc->sc_filter);
273 error = urndis_ctrl_set(sc, OID_GEN_CURRENT_PACKET_FILTER,
274 &msg_filter.hdr, sizeof(msg_filter));
277 if (error != (int)RNDIS_STATUS_SUCCESS) {
278 device_printf(dev, "Unable to set data filters\n");
283 ue->ue_udev = uaa->device;
284 ue->ue_mtx = &sc->sc_mtx;
285 ue->ue_methods = &urndis_ue_methods;
287 error = uether_ifattach(ue);
289 device_printf(dev, "Could not attach interface\n");
294 /* start interrupt endpoint, if any */
295 usbd_transfer_start(sc->sc_xfer[URNDIS_INTR_RX]);
298 return (0); /* success */
302 return (ENXIO); /* failure */
306 urndis_detach(device_t dev)
308 struct urndis_softc *sc = device_get_softc(dev);
309 struct usb_ether *ue = &sc->sc_ue;
311 /* stop all USB transfers first */
312 usbd_transfer_unsetup(sc->sc_xfer, URNDIS_N_TRANSFER);
316 mtx_destroy(&sc->sc_mtx);
322 urndis_start(struct usb_ether *ue)
324 struct urndis_softc *sc = uether_getsc(ue);
327 * Start the USB transfers, if not already started:
329 usbd_transfer_start(sc->sc_xfer[URNDIS_BULK_TX]);
330 usbd_transfer_start(sc->sc_xfer[URNDIS_BULK_RX]);
334 urndis_init(struct usb_ether *ue)
336 struct urndis_softc *sc = uether_getsc(ue);
337 struct ifnet *ifp = uether_getifp(ue);
339 URNDIS_LOCK_ASSERT(sc, MA_OWNED);
341 ifp->if_drv_flags |= IFF_DRV_RUNNING;
343 urndis_ctrl_init(sc);
345 /* stall data write direction, which depends on USB mode */
346 usbd_xfer_set_stall(sc->sc_xfer[URNDIS_BULK_TX]);
348 /* start data transfers */
353 urndis_stop(struct usb_ether *ue)
355 struct urndis_softc *sc = uether_getsc(ue);
356 struct ifnet *ifp = uether_getifp(ue);
358 URNDIS_LOCK_ASSERT(sc, MA_OWNED);
360 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
363 * stop all the transfers, if not already stopped:
365 usbd_transfer_stop(sc->sc_xfer[URNDIS_BULK_RX]);
366 usbd_transfer_stop(sc->sc_xfer[URNDIS_BULK_TX]);
370 urndis_setmulti(struct usb_ether *ue)
377 urndis_setpromisc(struct usb_ether *ue)
384 urndis_suspend(device_t dev)
386 device_printf(dev, "Suspending\n");
391 urndis_resume(device_t dev)
393 device_printf(dev, "Resuming\n");
398 urndis_ctrl_msg(struct urndis_softc *sc, uint8_t rt, uint8_t r,
399 uint16_t index, uint16_t value, void *buf, uint16_t buflen)
401 usb_device_request_t req;
403 req.bmRequestType = rt;
405 USETW(req.wValue, value);
406 USETW(req.wIndex, index);
407 USETW(req.wLength, buflen);
409 return (usbd_do_request_flags(sc->sc_ue.ue_udev,
410 &sc->sc_mtx, &req, buf, (rt & UT_READ) ?
411 USB_SHORT_XFER_OK : 0, NULL, 2000 /* ms */ ));
415 urndis_ctrl_send(struct urndis_softc *sc, void *buf, uint16_t len)
419 err = urndis_ctrl_msg(sc, UT_WRITE_CLASS_INTERFACE, UR_GET_STATUS,
420 sc->sc_ifaceno_ctl, 0, buf, len);
422 DPRINTF("%s\n", usbd_errstr(err));
427 static struct urndis_comp_hdr *
428 urndis_ctrl_recv(struct urndis_softc *sc)
430 struct urndis_comp_hdr *hdr;
433 err = urndis_ctrl_msg(sc, UT_READ_CLASS_INTERFACE, UR_CLEAR_FEATURE,
434 sc->sc_ifaceno_ctl, 0, sc->sc_response_buf, RNDIS_RESPONSE_LEN);
436 if (err != USB_ERR_NORMAL_COMPLETION)
439 hdr = (struct urndis_comp_hdr *)sc->sc_response_buf;
441 DPRINTF("type 0x%x len %u\n", le32toh(hdr->rm_type),
442 le32toh(hdr->rm_len));
444 if (le32toh(hdr->rm_len) > RNDIS_RESPONSE_LEN) {
445 DPRINTF("ctrl message error: wrong size %u > %u\n",
446 le32toh(hdr->rm_len), RNDIS_RESPONSE_LEN);
453 urndis_ctrl_handle(struct urndis_softc *sc, struct urndis_comp_hdr *hdr,
454 const void **buf, uint16_t *bufsz)
460 if (buf != NULL && bufsz != NULL) {
464 switch (le32toh(hdr->rm_type)) {
465 case REMOTE_NDIS_INITIALIZE_CMPLT:
466 rval = urndis_ctrl_handle_init(sc, hdr);
469 case REMOTE_NDIS_QUERY_CMPLT:
470 rval = urndis_ctrl_handle_query(sc, hdr, buf, bufsz);
473 case REMOTE_NDIS_RESET_CMPLT:
474 rval = urndis_ctrl_handle_reset(sc, hdr);
477 case REMOTE_NDIS_KEEPALIVE_CMPLT:
478 case REMOTE_NDIS_SET_CMPLT:
479 rval = le32toh(hdr->rm_status);
483 DPRINTF("ctrl message error: unknown event 0x%x\n",
484 le32toh(hdr->rm_type));
485 rval = RNDIS_STATUS_FAILURE;
492 urndis_ctrl_handle_init(struct urndis_softc *sc,
493 const struct urndis_comp_hdr *hdr)
495 const struct urndis_init_comp *msg;
497 msg = (const struct urndis_init_comp *)hdr;
499 DPRINTF("len %u rid %u status 0x%x "
500 "ver_major %u ver_minor %u devflags 0x%x medium 0x%x pktmaxcnt %u "
501 "pktmaxsz %u align %u aflistoffset %u aflistsz %u\n",
502 le32toh(msg->rm_len),
503 le32toh(msg->rm_rid),
504 le32toh(msg->rm_status),
505 le32toh(msg->rm_ver_major),
506 le32toh(msg->rm_ver_minor),
507 le32toh(msg->rm_devflags),
508 le32toh(msg->rm_medium),
509 le32toh(msg->rm_pktmaxcnt),
510 le32toh(msg->rm_pktmaxsz),
511 le32toh(msg->rm_align),
512 le32toh(msg->rm_aflistoffset),
513 le32toh(msg->rm_aflistsz));
515 if (le32toh(msg->rm_status) != RNDIS_STATUS_SUCCESS) {
516 DPRINTF("init failed 0x%x\n", le32toh(msg->rm_status));
517 return (le32toh(msg->rm_status));
519 if (le32toh(msg->rm_devflags) != RNDIS_DF_CONNECTIONLESS) {
520 DPRINTF("wrong device type (current type: 0x%x)\n",
521 le32toh(msg->rm_devflags));
522 return (RNDIS_STATUS_FAILURE);
524 if (le32toh(msg->rm_medium) != RNDIS_MEDIUM_802_3) {
525 DPRINTF("medium not 802.3 (current medium: 0x%x)\n",
526 le32toh(msg->rm_medium));
527 return (RNDIS_STATUS_FAILURE);
529 sc->sc_lim_pktsz = le32toh(msg->rm_pktmaxsz);
531 return (le32toh(msg->rm_status));
535 urndis_ctrl_handle_query(struct urndis_softc *sc,
536 const struct urndis_comp_hdr *hdr, const void **buf, uint16_t *bufsz)
538 const struct urndis_query_comp *msg;
541 msg = (const struct urndis_query_comp *)hdr;
543 DPRINTF("len %u rid %u status 0x%x "
544 "buflen %u bufoff %u\n",
545 le32toh(msg->rm_len),
546 le32toh(msg->rm_rid),
547 le32toh(msg->rm_status),
548 le32toh(msg->rm_infobuflen),
549 le32toh(msg->rm_infobufoffset));
551 if (buf != NULL && bufsz != NULL) {
555 if (le32toh(msg->rm_status) != RNDIS_STATUS_SUCCESS) {
556 DPRINTF("query failed 0x%x\n", le32toh(msg->rm_status));
557 return (le32toh(msg->rm_status));
559 limit = le32toh(msg->rm_infobuflen);
560 limit += le32toh(msg->rm_infobufoffset);
561 limit += RNDIS_HEADER_OFFSET;
563 if (limit > (uint64_t)le32toh(msg->rm_len)) {
564 DPRINTF("ctrl message error: invalid query info "
565 "len/offset/end_position(%u/%u/%u) -> "
566 "go out of buffer limit %u\n",
567 le32toh(msg->rm_infobuflen),
568 le32toh(msg->rm_infobufoffset),
569 le32toh(msg->rm_infobuflen) +
570 le32toh(msg->rm_infobufoffset) + RNDIS_HEADER_OFFSET,
571 le32toh(msg->rm_len));
572 return (RNDIS_STATUS_FAILURE);
574 if (buf != NULL && bufsz != NULL) {
575 *buf = ((const uint8_t *)msg) + RNDIS_HEADER_OFFSET + le32toh(msg->rm_infobufoffset);
576 *bufsz = le32toh(msg->rm_infobuflen);
578 return (le32toh(msg->rm_status));
582 urndis_ctrl_handle_reset(struct urndis_softc *sc,
583 const struct urndis_comp_hdr *hdr)
585 const struct urndis_reset_comp *msg;
588 msg = (const struct urndis_reset_comp *)hdr;
590 rval = le32toh(msg->rm_status);
592 DPRINTF("len %u status 0x%x "
594 le32toh(msg->rm_len),
596 le32toh(msg->rm_adrreset));
598 if (rval != RNDIS_STATUS_SUCCESS) {
599 DPRINTF("reset failed 0x%x\n", rval);
602 if (msg->rm_adrreset != 0) {
604 struct urndis_set_req hdr;
608 msg_filter.filter = htole32(sc->sc_filter);
610 rval = urndis_ctrl_set(sc, OID_GEN_CURRENT_PACKET_FILTER,
611 &msg_filter.hdr, sizeof(msg_filter));
613 if (rval != RNDIS_STATUS_SUCCESS) {
614 DPRINTF("unable to reset data filters\n");
622 urndis_ctrl_init(struct urndis_softc *sc)
624 struct urndis_init_req msg;
625 struct urndis_comp_hdr *hdr;
628 msg.rm_type = htole32(REMOTE_NDIS_INITIALIZE_MSG);
629 msg.rm_len = htole32(sizeof(msg));
630 msg.rm_rid = htole32(0);
631 msg.rm_ver_major = htole32(1);
632 msg.rm_ver_minor = htole32(1);
633 msg.rm_max_xfersz = htole32(RNDIS_RX_MAXLEN);
635 DPRINTF("type %u len %u rid %u ver_major %u "
636 "ver_minor %u max_xfersz %u\n",
637 le32toh(msg.rm_type),
640 le32toh(msg.rm_ver_major),
641 le32toh(msg.rm_ver_minor),
642 le32toh(msg.rm_max_xfersz));
644 rval = urndis_ctrl_send(sc, &msg, sizeof(msg));
646 if (rval != RNDIS_STATUS_SUCCESS) {
647 DPRINTF("init failed\n");
650 if ((hdr = urndis_ctrl_recv(sc)) == NULL) {
651 DPRINTF("unable to get init response\n");
652 return (RNDIS_STATUS_FAILURE);
654 rval = urndis_ctrl_handle(sc, hdr, NULL, NULL);
661 urndis_ctrl_halt(struct urndis_softc *sc)
663 struct urndis_halt_req msg;
666 msg.rm_type = htole32(REMOTE_NDIS_HALT_MSG);
667 msg.rm_len = htole32(sizeof(msg));
670 DPRINTF("type %u len %u rid %u\n",
671 le32toh(msg.rm_type),
673 le32toh(msg.rm_rid));
675 rval = urndis_ctrl_send(sc, &msg, sizeof(msg));
677 if (rval != RNDIS_STATUS_SUCCESS)
678 printf("halt failed\n");
686 urndis_ctrl_query(struct urndis_softc *sc, uint32_t oid, const void **rbuf, uint16_t *rbufsz)
688 struct urndis_query_req msg;
690 struct urndis_comp_hdr *hdr;
692 msg.rm_type = htole32(REMOTE_NDIS_QUERY_MSG);
693 msg.rm_len = htole32(sizeof(msg));
694 msg.rm_rid = 0; /* XXX */
695 msg.rm_oid = htole32(oid);
696 msg.rm_infobuflen = htole32(0);
697 msg.rm_infobufoffset = 0;
698 msg.rm_devicevchdl = 0;
700 DPRINTF("type %u len %u rid %u oid 0x%x "
701 "infobuflen %u infobufoffset %u devicevchdl %u\n",
702 le32toh(msg.rm_type),
706 le32toh(msg.rm_infobuflen),
707 le32toh(msg.rm_infobufoffset),
708 le32toh(msg.rm_devicevchdl));
710 rval = urndis_ctrl_send(sc, &msg, sizeof(msg));
712 if (rval != RNDIS_STATUS_SUCCESS) {
713 DPRINTF("query failed\n");
716 if ((hdr = urndis_ctrl_recv(sc)) == NULL) {
717 DPRINTF("unable to get query response\n");
718 return (RNDIS_STATUS_FAILURE);
720 rval = urndis_ctrl_handle(sc, hdr, rbuf, rbufsz);
726 urndis_ctrl_set(struct urndis_softc *sc, uint32_t oid, struct urndis_set_req *msg, uint16_t len)
728 struct urndis_comp_hdr *hdr;
730 uint32_t datalen = len - sizeof(*msg);
732 msg->rm_type = htole32(REMOTE_NDIS_SET_MSG);
733 msg->rm_len = htole32(len);
734 msg->rm_rid = 0; /* XXX */
735 msg->rm_oid = htole32(oid);
736 msg->rm_infobuflen = htole32(datalen);
738 msg->rm_infobufoffset = htole32(sizeof(*msg) - RNDIS_HEADER_OFFSET);
740 msg->rm_infobufoffset = 0;
742 msg->rm_devicevchdl = 0;
744 DPRINTF("type %u len %u rid %u oid 0x%x "
745 "infobuflen %u infobufoffset %u devicevchdl %u\n",
746 le32toh(msg->rm_type),
747 le32toh(msg->rm_len),
748 le32toh(msg->rm_rid),
749 le32toh(msg->rm_oid),
750 le32toh(msg->rm_infobuflen),
751 le32toh(msg->rm_infobufoffset),
752 le32toh(msg->rm_devicevchdl));
754 rval = urndis_ctrl_send(sc, msg, len);
756 if (rval != RNDIS_STATUS_SUCCESS) {
757 DPRINTF("set failed\n");
760 if ((hdr = urndis_ctrl_recv(sc)) == NULL) {
761 DPRINTF("unable to get set response\n");
762 return (RNDIS_STATUS_FAILURE);
764 rval = urndis_ctrl_handle(sc, hdr, NULL, NULL);
765 if (rval != RNDIS_STATUS_SUCCESS)
766 DPRINTF("set failed 0x%x\n", rval);
772 urndis_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
774 struct urndis_softc *sc = usbd_xfer_softc(xfer);
775 struct usb_page_cache *pc = usbd_xfer_get_frame(xfer, 0);
776 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
777 struct urndis_packet_msg msg;
783 switch (USB_GET_STATE(xfer)) {
784 case USB_ST_TRANSFERRED:
786 usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL);
788 DPRINTFN(1, "received %u bytes in %u frames\n", actlen, aframes);
790 for (offset = 0; actlen >= (uint32_t)sizeof(msg);) {
792 /* copy out header */
793 usbd_copy_out(pc, offset, &msg, sizeof(msg));
795 if (le32toh(0x1234567U) != 0x1234567U) {
796 /* swap endianness */
797 msg.rm_type = le32toh(msg.rm_type);
798 msg.rm_len = le32toh(msg.rm_len);
799 msg.rm_dataoffset = le32toh(msg.rm_dataoffset);
800 msg.rm_datalen = le32toh(msg.rm_datalen);
801 msg.rm_oobdataoffset = le32toh(msg.rm_oobdataoffset);
802 msg.rm_oobdatalen = le32toh(msg.rm_oobdatalen);
803 msg.rm_oobdataelements = le32toh(msg.rm_oobdataelements);
804 msg.rm_pktinfooffset = le32toh(msg.rm_pktinfooffset);
805 msg.rm_pktinfolen = le32toh(msg.rm_pktinfolen);
806 msg.rm_vchandle = le32toh(msg.rm_vchandle);
807 msg.rm_reserved = le32toh(msg.rm_reserved);
810 DPRINTF("len %u data(off:%u len:%u) "
811 "oobdata(off:%u len:%u nb:%u) perpacket(off:%u len:%u)\n",
812 msg.rm_len, msg.rm_dataoffset, msg.rm_datalen,
813 msg.rm_oobdataoffset, msg.rm_oobdatalen,
814 msg.rm_oobdataelements, msg.rm_pktinfooffset,
815 msg.rm_pktinfooffset);
817 /* sanity check the RNDIS header */
818 if (msg.rm_type != REMOTE_NDIS_PACKET_MSG) {
819 DPRINTF("invalid type 0x%x != 0x%x\n",
820 msg.rm_type, REMOTE_NDIS_PACKET_MSG);
822 } else if (msg.rm_len < (uint32_t)sizeof(msg)) {
823 DPRINTF("invalid msg len %u < %u\n",
824 msg.rm_len, (unsigned)sizeof(msg));
826 } else if (msg.rm_len > (uint32_t)actlen) {
827 DPRINTF("invalid msg len %u > buffer "
828 "len %u\n", msg.rm_len, actlen);
830 } else if (msg.rm_dataoffset >= (uint32_t)actlen) {
831 DPRINTF("invalid msg dataoffset %u > buffer "
832 "dataoffset %u\n", msg.rm_dataoffset, actlen);
834 } else if (msg.rm_datalen > (uint32_t)actlen) {
835 DPRINTF("invalid msg datalen %u > buffer "
836 "datalen %u\n", msg.rm_datalen, actlen);
838 } else if ((msg.rm_dataoffset + msg.rm_datalen +
839 (uint32_t)__offsetof(struct urndis_packet_msg,
840 rm_dataoffset)) > (uint32_t)actlen) {
841 DPRINTF("invalid dataoffset %u larger than %u\n",
842 msg.rm_dataoffset + msg.rm_datalen +
843 (uint32_t)__offsetof(struct urndis_packet_msg,
844 rm_dataoffset), actlen);
846 } else if (msg.rm_datalen < (uint32_t)sizeof(struct ether_header)) {
848 DPRINTF("invalid ethernet size "
849 "%u < %u\n", msg.rm_datalen, (unsigned)sizeof(struct ether_header));
851 } else if (msg.rm_datalen > (uint32_t)MCLBYTES) {
853 DPRINTF("invalid ethernet size "
855 msg.rm_datalen, (unsigned)MCLBYTES);
857 } else if (msg.rm_datalen > (uint32_t)(MHLEN - ETHER_ALIGN)) {
858 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
860 m = m_gethdr(M_NOWAIT, MT_DATA);
863 /* check if we have a buffer */
865 m_adj(m, ETHER_ALIGN);
867 usbd_copy_out(pc, offset + msg.rm_dataoffset +
868 __offsetof(struct urndis_packet_msg,
869 rm_dataoffset), m->m_data, msg.rm_datalen);
872 uether_rxmbuf(&sc->sc_ue, m, msg.rm_datalen);
876 offset += msg.rm_len;
877 actlen -= msg.rm_len;
882 usbd_xfer_set_frame_len(xfer, 0, RNDIS_RX_MAXLEN);
883 usbd_xfer_set_frames(xfer, 1);
884 usbd_transfer_submit(xfer);
885 uether_rxflush(&sc->sc_ue); /* must be last */
889 DPRINTFN(1, "error = %s\n", usbd_errstr(error));
891 if (error != USB_ERR_CANCELLED) {
892 /* try to clear stall first */
893 usbd_xfer_set_stall(xfer);
894 usbd_xfer_set_frames(xfer, 0);
895 usbd_transfer_submit(xfer);
902 urndis_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
904 struct urndis_packet_msg msg;
905 struct urndis_softc *sc = usbd_xfer_softc(xfer);
906 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
912 usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL);
916 switch (USB_GET_STATE(xfer)) {
917 case USB_ST_TRANSFERRED:
918 DPRINTFN(11, "%u bytes in %u frames\n", actlen, aframes);
925 memset(&msg, 0, sizeof(msg));
927 for (x = 0; x != RNDIS_TX_FRAMES_MAX; x++) {
928 struct usb_page_cache *pc = usbd_xfer_get_frame(xfer, x);
930 usbd_xfer_set_frame_offset(xfer, x * RNDIS_TX_MAXLEN, x);
933 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
938 if ((m->m_pkthdr.len + sizeof(msg)) > RNDIS_TX_MAXLEN) {
939 DPRINTF("Too big packet\n");
946 msg.rm_type = htole32(REMOTE_NDIS_PACKET_MSG);
947 msg.rm_len = htole32(sizeof(msg) + m->m_pkthdr.len);
949 msg.rm_dataoffset = htole32(RNDIS_DATA_OFFSET);
950 msg.rm_datalen = htole32(m->m_pkthdr.len);
952 /* copy in all data */
953 usbd_copy_in(pc, 0, &msg, sizeof(msg));
954 usbd_m_copy_in(pc, sizeof(msg), m, 0, m->m_pkthdr.len);
955 usbd_xfer_set_frame_len(xfer, x, sizeof(msg) + m->m_pkthdr.len);
958 * If there's a BPF listener, bounce a copy of
967 usbd_xfer_set_frames(xfer, x);
968 usbd_transfer_submit(xfer);
973 DPRINTFN(11, "transfer error, %s\n", usbd_errstr(error));
975 /* count output errors */
978 if (error != USB_ERR_CANCELLED) {
979 /* try to clear stall first */
980 usbd_xfer_set_stall(xfer);
988 urndis_intr_read_callback(struct usb_xfer *xfer, usb_error_t error)
992 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
994 switch (USB_GET_STATE(xfer)) {
995 case USB_ST_TRANSFERRED:
997 DPRINTF("Received %d bytes\n", actlen);
999 /* TODO: decode some indications */
1004 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
1005 usbd_transfer_submit(xfer);
1008 default: /* Error */
1009 if (error != USB_ERR_CANCELLED) {
1010 /* start clear stall */
1011 usbd_xfer_set_stall(xfer);